From 9658b34ec6fd4eb9bbe7e473e1f2bf734b19db21 Mon Sep 17 00:00:00 2001 From: Antoine Riard Date: Tue, 29 Nov 2022 21:12:00 -0500 Subject: [PATCH] Bump default CSV delay on counterparty states to 7 days of blocks --- lightning/src/ln/functional_tests.rs | 38 ++++++++++++++-------------- lightning/src/ln/monitor_tests.rs | 18 +++++++------ lightning/src/ln/payment_tests.rs | 2 +- lightning/src/util/config.rs | 9 ++++--- 4 files changed, 36 insertions(+), 31 deletions(-) diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 271ff541a84..2c8197f8c78 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -2402,11 +2402,11 @@ fn test_justice_tx_htlc_timeout() { let mut alice_config = UserConfig::default(); alice_config.channel_handshake_config.announced_channel = true; alice_config.channel_handshake_limits.force_announced_channel_preference = false; - alice_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 5; + alice_config.channel_handshake_config.our_to_self_delay = 1008 + 288; let mut bob_config = UserConfig::default(); bob_config.channel_handshake_config.announced_channel = true; bob_config.channel_handshake_limits.force_announced_channel_preference = false; - bob_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 3; + bob_config.channel_handshake_config.our_to_self_delay = 1008 + 144; let user_cfgs = [Some(alice_config), Some(bob_config)]; let mut chanmon_cfgs = create_chanmon_cfgs(2); chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true; @@ -2465,11 +2465,11 @@ fn test_justice_tx_htlc_success() { let mut alice_config = UserConfig::default(); alice_config.channel_handshake_config.announced_channel = true; alice_config.channel_handshake_limits.force_announced_channel_preference = false; - alice_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 5; + alice_config.channel_handshake_config.our_to_self_delay = 1008 + 288; let mut bob_config = UserConfig::default(); bob_config.channel_handshake_config.announced_channel = true; bob_config.channel_handshake_limits.force_announced_channel_preference = false; - bob_config.channel_handshake_config.our_to_self_delay = 6 * 24 * 3; + bob_config.channel_handshake_config.our_to_self_delay = 1008 + 144; let user_cfgs = [Some(alice_config), Some(bob_config)]; let mut chanmon_cfgs = create_chanmon_cfgs(2); chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true; @@ -4306,13 +4306,13 @@ fn test_claim_sizeable_push_msat() { assert_eq!(node_txn[0].output.len(), 2); // We can't force trimming of to_remote output as channel_reserve_satoshis block us to do so at channel opening mine_transaction(&nodes[1], &node_txn[0]); - connect_blocks(&nodes[1], BREAKDOWN_TIMEOUT as u32 - 1); + connect_blocks(&nodes[1], (BREAKDOWN_TIMEOUT * 7) as u32 - 1); let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager); assert_eq!(spend_txn.len(), 1); assert_eq!(spend_txn[0].input.len(), 1); check_spends!(spend_txn[0], node_txn[0]); - assert_eq!(spend_txn[0].input[0].sequence.0, BREAKDOWN_TIMEOUT as u32); + assert_eq!(spend_txn[0].input[0].sequence.0, (BREAKDOWN_TIMEOUT * 7) as u32); } #[test] @@ -4955,14 +4955,14 @@ fn test_dynamic_spendable_outputs_local_htlc_success_tx() { }; mine_transaction(&nodes[1], &node_tx); - connect_blocks(&nodes[1], BREAKDOWN_TIMEOUT as u32 - 1); + connect_blocks(&nodes[1], (BREAKDOWN_TIMEOUT * 7) as u32 - 1); // Verify that B is able to spend its own HTLC-Success tx thanks to spendable output event given back by its ChannelMonitor let spend_txn = check_spendable_outputs!(nodes[1], node_cfgs[1].keys_manager); assert_eq!(spend_txn.len(), 1); assert_eq!(spend_txn[0].input.len(), 1); check_spends!(spend_txn[0], node_tx); - assert_eq!(spend_txn[0].input[0].sequence.0, BREAKDOWN_TIMEOUT as u32); + assert_eq!(spend_txn[0].input[0].sequence.0, (BREAKDOWN_TIMEOUT * 7) as u32); } fn do_test_fail_backwards_unrevoked_remote_announce(deliver_last_raa: bool, announce_latest: bool) { @@ -5303,7 +5303,7 @@ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() { }; mine_transaction(&nodes[0], &htlc_timeout); - connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1); + connect_blocks(&nodes[0], (BREAKDOWN_TIMEOUT * 7) as u32 - 1); expect_payment_failed!(nodes[0], our_payment_hash, false); // Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor @@ -5312,11 +5312,11 @@ fn test_dynamic_spendable_outputs_local_htlc_timeout_tx() { check_spends!(spend_txn[0], local_txn[0]); assert_eq!(spend_txn[1].input.len(), 1); check_spends!(spend_txn[1], htlc_timeout); - assert_eq!(spend_txn[1].input[0].sequence.0, BREAKDOWN_TIMEOUT as u32); + assert_eq!(spend_txn[1].input[0].sequence.0, (BREAKDOWN_TIMEOUT * 7) as u32); assert_eq!(spend_txn[2].input.len(), 2); check_spends!(spend_txn[2], local_txn[0], htlc_timeout); - assert!(spend_txn[2].input[0].sequence.0 == BREAKDOWN_TIMEOUT as u32 || - spend_txn[2].input[1].sequence.0 == BREAKDOWN_TIMEOUT as u32); + assert!(spend_txn[2].input[0].sequence.0 == (BREAKDOWN_TIMEOUT * 7) as u32 || + spend_txn[2].input[1].sequence.0 == (BREAKDOWN_TIMEOUT * 7) as u32); } #[test] @@ -5389,7 +5389,7 @@ fn test_key_derivation_params() { }; mine_transaction(&nodes[0], &htlc_timeout); - connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1); + connect_blocks(&nodes[0], (BREAKDOWN_TIMEOUT * 7) as u32 - 1); expect_payment_failed!(nodes[0], our_payment_hash, false); // Verify that A is able to spend its own HTLC-Timeout tx thanks to spendable output event given back by its ChannelMonitor @@ -5399,11 +5399,11 @@ fn test_key_derivation_params() { check_spends!(spend_txn[0], local_txn_1[0]); assert_eq!(spend_txn[1].input.len(), 1); check_spends!(spend_txn[1], htlc_timeout); - assert_eq!(spend_txn[1].input[0].sequence.0, BREAKDOWN_TIMEOUT as u32); + assert_eq!(spend_txn[1].input[0].sequence.0, (BREAKDOWN_TIMEOUT * 7) as u32); assert_eq!(spend_txn[2].input.len(), 2); check_spends!(spend_txn[2], local_txn_1[0], htlc_timeout); - assert!(spend_txn[2].input[0].sequence.0 == BREAKDOWN_TIMEOUT as u32 || - spend_txn[2].input[1].sequence.0 == BREAKDOWN_TIMEOUT as u32); + assert!(spend_txn[2].input[0].sequence.0 == (BREAKDOWN_TIMEOUT * 7) as u32 || + spend_txn[2].input[1].sequence.0 == (BREAKDOWN_TIMEOUT * 7) as u32); } #[test] @@ -5635,8 +5635,8 @@ fn bolt2_open_channel_sending_node_checks_part2() { assert!(node0_to_1_send_open_channel.channel_flags<=1); // BOLT #2 spec: Sending node should set to_self_delay sufficient to ensure the sender can irreversibly spend a commitment transaction output, in case of misbehaviour by the receiver. - assert!(BREAKDOWN_TIMEOUT>0); - assert!(node0_to_1_send_open_channel.to_self_delay==BREAKDOWN_TIMEOUT); + assert!((BREAKDOWN_TIMEOUT*7)>0); + assert!(node0_to_1_send_open_channel.to_self_delay==(BREAKDOWN_TIMEOUT*7)); // BOLT #2 spec: Sending node must ensure the chain_hash value identifies the chain it wishes to open the channel within. let chain_hash=genesis_block(Network::Testnet).header.block_hash(); @@ -9122,7 +9122,7 @@ fn do_test_tx_confirmed_skipping_blocks_immediate_broadcast(test_height_before_t let conf_height = nodes[1].best_block_info().1; if !test_height_before_timelock { - connect_blocks(&nodes[1], 24 * 6); + connect_blocks(&nodes[1], (BREAKDOWN_TIMEOUT*7) as u32); } nodes[1].chain_monitor.chain_monitor.transactions_confirmed( &nodes[1].get_block_header(conf_height), &[(0, &node_txn[0])], conf_height); diff --git a/lightning/src/ln/monitor_tests.rs b/lightning/src/ln/monitor_tests.rs index a916dbfc9e2..e61426f4f1a 100644 --- a/lightning/src/ln/monitor_tests.rs +++ b/lightning/src/ln/monitor_tests.rs @@ -382,7 +382,7 @@ fn do_test_claim_value_force_close(prev_commitment_tx: bool) { // Broadcast the closing transaction (which has both pending HTLCs in it) and get B's // broadcasted HTLC claim transaction with preimage. - let node_b_commitment_claimable = nodes[1].best_block_info().1 + BREAKDOWN_TIMEOUT as u32; + let node_b_commitment_claimable = nodes[1].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32; mine_transaction(&nodes[0], &remote_txn[0]); mine_transaction(&nodes[1], &remote_txn[0]); @@ -497,7 +497,7 @@ fn do_test_claim_value_force_close(prev_commitment_tx: bool) { // Node B will no longer consider the HTLC "contentious" after the HTLC claim transaction // confirms, and consider it simply "awaiting confirmations". Note that it has to wait for the // standard revocable transaction CSV delay before receiving a `SpendableOutputs`. - let node_b_htlc_claimable = nodes[1].best_block_info().1 + BREAKDOWN_TIMEOUT as u32; + let node_b_htlc_claimable = nodes[1].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32; mine_transaction(&nodes[1], &b_broadcast_txn[0]); assert_eq!(sorted_vec(vec![Balance::ClaimableAwaitingConfirmations { @@ -617,7 +617,7 @@ fn test_balances_on_local_commitment_htlcs() { // First confirm the commitment transaction on nodes[0], which should leave us with three // claimable balances. - let node_a_commitment_claimable = nodes[0].best_block_info().1 + BREAKDOWN_TIMEOUT as u32; + let node_a_commitment_claimable = nodes[0].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32; mine_transaction(&nodes[0], &as_txn[0]); check_added_monitors!(nodes[0], 1); check_closed_broadcast!(nodes[0], true); @@ -663,7 +663,7 @@ fn test_balances_on_local_commitment_htlcs() { // Now confirm nodes[0]'s HTLC-Timeout transaction, which changes the claimable balance to an // "awaiting confirmations" one. - let node_a_htlc_claimable = nodes[0].best_block_info().1 + BREAKDOWN_TIMEOUT as u32; + let node_a_htlc_claimable = nodes[0].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32; mine_transaction(&nodes[0], &as_txn[1]); // Note that prior to the fix in the commit which introduced this test, this (and the next // balance) check failed. With this check removed, the code panicked in the `connect_blocks` @@ -797,7 +797,7 @@ fn test_no_preimage_inbound_htlc_balances() { // Now close the channel by confirming A's commitment transaction on both nodes, checking the // claimable balances remain the same except for the non-HTLC balance changing variant. - let node_a_commitment_claimable = nodes[0].best_block_info().1 + BREAKDOWN_TIMEOUT as u32; + let node_a_commitment_claimable = nodes[0].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32; let as_pre_spend_claims = sorted_vec(vec![Balance::ClaimableAwaitingConfirmations { claimable_amount_satoshis: 1_000_000 - 500_000 - 10_000 - chan_feerate * (channel::commitment_tx_base_weight(&channel_type_features) + 2 * channel::COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000, @@ -869,7 +869,7 @@ fn test_no_preimage_inbound_htlc_balances() { // Now confirm the two HTLC timeout transactions for A, checking that the inbound HTLC resolves // after ANTI_REORG_DELAY confirmations and the other takes BREAKDOWN_TIMEOUT confirmations. mine_transaction(&nodes[0], &as_htlc_timeout_claim[0]); - let as_timeout_claimable_height = nodes[0].best_block_info().1 + (BREAKDOWN_TIMEOUT as u32) - 1; + let as_timeout_claimable_height = nodes[0].best_block_info().1 + (BREAKDOWN_TIMEOUT * 7) as u32 - 1; assert_eq!(sorted_vec(vec![Balance::ClaimableAwaitingConfirmations { claimable_amount_satoshis: 1_000_000 - 500_000 - 10_000 - chan_feerate * (channel::commitment_tx_base_weight(&channel_type_features) + 2 * channel::COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000, @@ -1680,7 +1680,9 @@ fn do_test_restored_packages_retry(check_old_monitor_retries_after_upgrade: bool // old `ChannelMonitor` that did not exercise said rebroadcasting logic. if check_old_monitor_retries_after_upgrade { let serialized_monitor = hex::decode( - 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0", + ).unwrap(); reload_node!(nodes[0], &nodes[0].node.encode(), &[&serialized_monitor], persister, new_chain_monitor, node_deserialized); } @@ -1942,7 +1944,7 @@ fn test_yield_anchors_events() { assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty()); - connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32); + connect_blocks(&nodes[0], (BREAKDOWN_TIMEOUT * 7) as u32); let holder_events = nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events(); assert_eq!(holder_events.len(), 3); diff --git a/lightning/src/ln/payment_tests.rs b/lightning/src/ln/payment_tests.rs index b23b6364182..804b6613355 100644 --- a/lightning/src/ln/payment_tests.rs +++ b/lightning/src/ln/payment_tests.rs @@ -887,7 +887,7 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co connect_block(&nodes[0], &create_dummy_block(nodes[0].best_block_hash(), 42, vec![node_txn[1].clone()])); if confirm_commitment_tx { - connect_blocks(&nodes[0], BREAKDOWN_TIMEOUT as u32 - 1); + connect_blocks(&nodes[0], (BREAKDOWN_TIMEOUT * 7) as u32 - 1); } let claim_block = create_dummy_block(nodes[0].best_block_hash(), 42, if payment_timeout { timeout_txn } else { vec![claim_txn[0].clone()] }); diff --git a/lightning/src/util/config.rs b/lightning/src/util/config.rs index 267774481b4..e8e9d6885c9 100644 --- a/lightning/src/util/config.rs +++ b/lightning/src/util/config.rs @@ -45,8 +45,11 @@ pub struct ChannelHandshakeConfig { /// case of an honest unilateral channel close, which implicitly decrease the economic value of /// our channel. /// - /// Default value: [`BREAKDOWN_TIMEOUT`], we enforce it as a minimum at channel opening so you - /// can tweak config to ask for more security, not less. + /// Default value: [`BREAKDOWN_TIMEOUT`], we enforce [`BREAKDOWN_TIMEOUT`] * 7 as a minimum at + /// channel opening so you can tweak config to ask for less security than the default of 7 days + /// of block. When setting this value, consider how long it may take to upgrade node(s) after + /// a bug was discovered a patch releaaed. While not all potential sources of error can be + /// recovered, some classes of bugs may allow this much time to react. pub our_to_self_delay: u16, /// Set to the smallest value HTLC we will accept to process. /// @@ -197,7 +200,7 @@ impl Default for ChannelHandshakeConfig { fn default() -> ChannelHandshakeConfig { ChannelHandshakeConfig { minimum_depth: 6, - our_to_self_delay: BREAKDOWN_TIMEOUT, + our_to_self_delay: BREAKDOWN_TIMEOUT * 7, our_htlc_minimum_msat: 1, max_inbound_htlc_value_in_flight_percent_of_channel: 10, negotiate_scid_privacy: false,